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O(n) with three helper functions solution in Clear category for House Password by shuai
# migrated from python 2.7
def hasUpper(string):
"""
Returns True if a string has upper case letter in it; False otherwise
"""
return any(ch.isupper() for ch in string)
def hasLower(string):
"""
Returns True if a string has lower case letter in it; False otherwise
"""
return any(ch.islower() for ch in string)
def hasDigit(string):
"""
Returns True if a string has digit in it; False otherwise
"""
return any(ch.isdigit() for ch in string)
def checkio(data):
return hasUpper(data) and hasLower(data) and hasDigit(data) and len(data) >= 10
#Some hints
#Just check all conditions
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio('A1213pokl') == False, "1st example"
assert checkio('bAse730onE4') == True, "2nd example"
assert checkio('asasasasasasasaas') == False, "3rd example"
assert checkio('QWERTYqwerty') == False, "4th example"
assert checkio('123456123456') == False, "5th example"
assert checkio('QwErTy911poqqqq') == True, "6th example"
Sept. 30, 2015
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